4.5 | Cell culture
Human colon carcinoma DLD1 cells were purchased from JCRB Cell Bank (National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan) and cultured in a culture medium (RPMI1640 supplemented with 10% FBS and 0.1% penicillin/streptomycin) at 37 °C in a humidified atmosphere containing 5% CO2.